diff options
Diffstat (limited to 'src/mesa/main/texstate.c')
| -rw-r--r-- | src/mesa/main/texstate.c | 999 |
1 files changed, 0 insertions, 999 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 448fc539121..dbd769d7407 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -321,1005 +321,6 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state, } -/**********************************************************************/ -/* Texture Parameters */ -/**********************************************************************/ - -/** - * Check if a coordinate wrap mode is supported for the texture target. - * \return GL_TRUE if legal, GL_FALSE otherwise - */ -static GLboolean -validate_texture_wrap_mode(GLcontext * ctx, GLenum target, GLenum wrap) -{ - const struct gl_extensions * const e = & ctx->Extensions; - - if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE || - (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) { - /* any texture target */ - return GL_TRUE; - } - else if (target != GL_TEXTURE_RECTANGLE_NV && - (wrap == GL_REPEAT || - (wrap == GL_MIRRORED_REPEAT && - e->ARB_texture_mirrored_repeat) || - (wrap == GL_MIRROR_CLAMP_EXT && - (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || - (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT && - (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || - (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT && - (e->EXT_texture_mirror_clamp)))) { - /* non-rectangle texture */ - return GL_TRUE; - } - - _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return GL_FALSE; -} - - -void GLAPIENTRY -_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ) -{ - _mesa_TexParameterfv(target, pname, ¶m); -} - - -void GLAPIENTRY -_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) -{ - const GLenum eparam = (GLenum) (GLint) params[0]; - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) - _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n", - _mesa_lookup_enum_by_nr(target), - _mesa_lookup_enum_by_nr(pname), - *params, - _mesa_lookup_enum_by_nr(eparam)); - - if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameterfv(current unit)"); - return; - } - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - switch (target) { - case GL_TEXTURE_1D: - texObj = texUnit->Current1D; - break; - case GL_TEXTURE_2D: - texObj = texUnit->Current2D; - break; - case GL_TEXTURE_3D: - texObj = texUnit->Current3D; - break; - case GL_TEXTURE_CUBE_MAP: - if (!ctx->Extensions.ARB_texture_cube_map) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->CurrentCubeMap; - break; - case GL_TEXTURE_RECTANGLE_NV: - if (!ctx->Extensions.NV_texture_rectangle) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->CurrentRect; - break; - case GL_TEXTURE_1D_ARRAY_EXT: - if (!ctx->Extensions.MESA_texture_array) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->Current1DArray; - break; - case GL_TEXTURE_2D_ARRAY_EXT: - if (!ctx->Extensions.MESA_texture_array) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->Current2DArray; - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - - switch (pname) { - case GL_TEXTURE_MIN_FILTER: - /* A small optimization */ - if (texObj->MinFilter == eparam) - return; - if (eparam==GL_NEAREST || eparam==GL_LINEAR) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinFilter = eparam; - } - else if ((eparam==GL_NEAREST_MIPMAP_NEAREST || - eparam==GL_LINEAR_MIPMAP_NEAREST || - eparam==GL_NEAREST_MIPMAP_LINEAR || - eparam==GL_LINEAR_MIPMAP_LINEAR) && - texObj->Target != GL_TEXTURE_RECTANGLE_NV) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinFilter = eparam; - } - else { - _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - break; - case GL_TEXTURE_MAG_FILTER: - /* A small optimization */ - if (texObj->MagFilter == eparam) - return; - - if (eparam==GL_NEAREST || eparam==GL_LINEAR) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MagFilter = eparam; - } - else { - _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - break; - case GL_TEXTURE_WRAP_S: - if (texObj->WrapS == eparam) - return; - if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapS = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_WRAP_T: - if (texObj->WrapT == eparam) - return; - if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapT = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_WRAP_R: - if (texObj->WrapR == eparam) - return; - if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapR = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_BORDER_COLOR: - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->BorderColor[RCOMP] = params[0]; - texObj->BorderColor[GCOMP] = params[1]; - texObj->BorderColor[BCOMP] = params[2]; - texObj->BorderColor[ACOMP] = params[3]; - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]); - break; - case GL_TEXTURE_MIN_LOD: - if (texObj->MinLod == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinLod = params[0]; - break; - case GL_TEXTURE_MAX_LOD: - if (texObj->MaxLod == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MaxLod = params[0]; - break; - case GL_TEXTURE_BASE_LEVEL: - if (params[0] < 0.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)"); - return; - } - if (target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)"); - return; - } - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->BaseLevel = (GLint) params[0]; - break; - case GL_TEXTURE_MAX_LEVEL: - if (params[0] < 0.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)"); - return; - } - if (target == GL_TEXTURE_RECTANGLE_ARB) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(param)"); - return; - } - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MaxLevel = (GLint) params[0]; - break; - case GL_TEXTURE_PRIORITY: - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); - break; - case GL_TEXTURE_MAX_ANISOTROPY_EXT: - if (ctx->Extensions.EXT_texture_filter_anisotropic) { - if (params[0] < 1.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - /* clamp to max, that's what NVIDIA does */ - texObj->MaxAnisotropy = MIN2(params[0], - ctx->Const.MaxTextureMaxAnisotropy); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); - return; - } - break; - case GL_TEXTURE_COMPARE_SGIX: - if (ctx->Extensions.SGIX_shadow) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)"); - return; - } - break; - case GL_TEXTURE_COMPARE_OPERATOR_SGIX: - if (ctx->Extensions.SGIX_shadow) { - GLenum op = (GLenum) params[0]; - if (op == GL_TEXTURE_LEQUAL_R_SGIX || - op == GL_TEXTURE_GEQUAL_R_SGIX) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareOperator = op; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)"); - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)"); - return; - } - break; - case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ - if (ctx->Extensions.SGIX_shadow_ambient) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)"); - return; - } - break; - case GL_GENERATE_MIPMAP_SGIS: - if (ctx->Extensions.SGIS_generate_mipmap) { - texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)"); - return; - } - break; - case GL_TEXTURE_COMPARE_MODE_ARB: - if (ctx->Extensions.ARB_shadow) { - const GLenum mode = (GLenum) params[0]; - if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareMode = mode; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)"); - return; - } - break; - case GL_TEXTURE_COMPARE_FUNC_ARB: - if (ctx->Extensions.ARB_shadow) { - const GLenum func = (GLenum) params[0]; - if (func == GL_LEQUAL || func == GL_GEQUAL) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFunc = func; - } - else if (ctx->Extensions.EXT_shadow_funcs && - (func == GL_EQUAL || - func == GL_NOTEQUAL || - func == GL_LESS || - func == GL_GREATER || - func == GL_ALWAYS || - func == GL_NEVER)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFunc = func; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)"); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)"); - return; - } - break; - case GL_DEPTH_TEXTURE_MODE_ARB: - if (ctx->Extensions.ARB_depth_texture) { - const GLenum result = (GLenum) params[0]; - if (result == GL_LUMINANCE || result == GL_INTENSITY - || result == GL_ALPHA) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->DepthMode = result; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)"); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)"); - return; - } - break; - case GL_TEXTURE_LOD_BIAS: - /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias*/ - if (ctx->Extensions.EXT_texture_lod_bias) { - if (texObj->LodBias != params[0]) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->LodBias = params[0]; - } - } - break; - - default: - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=0x%x)", pname); - return; - } - - texObj->_Complete = GL_FALSE; - - if (ctx->Driver.TexParameter) { - (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); - } -} - - -void GLAPIENTRY -_mesa_TexParameteri( GLenum target, GLenum pname, GLint param ) -{ - GLfloat fparam[4]; - if (pname == GL_TEXTURE_PRIORITY) - fparam[0] = INT_TO_FLOAT(param); - else - fparam[0] = (GLfloat) param; - fparam[1] = fparam[2] = fparam[3] = 0.0; - _mesa_TexParameterfv(target, pname, fparam); -} - - -void GLAPIENTRY -_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) -{ - GLfloat fparam[4]; - if (pname == GL_TEXTURE_BORDER_COLOR) { - fparam[0] = INT_TO_FLOAT(params[0]); - fparam[1] = INT_TO_FLOAT(params[1]); - fparam[2] = INT_TO_FLOAT(params[2]); - fparam[3] = INT_TO_FLOAT(params[3]); - } - else { - if (pname == GL_TEXTURE_PRIORITY) - fparam[0] = INT_TO_FLOAT(params[0]); - else - fparam[0] = (GLfloat) params[0]; - fparam[1] = fparam[2] = fparam[3] = 0.0F; - } - _mesa_TexParameterfv(target, pname, fparam); -} - - -void GLAPIENTRY -_mesa_GetTexLevelParameterfv( GLenum target, GLint level, - GLenum pname, GLfloat *params ) -{ - GLint iparam; - _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); - *params = (GLfloat) iparam; -} - - -static GLuint -tex_image_dimensions(GLcontext *ctx, GLenum target) -{ - switch (target) { - case GL_TEXTURE_1D: - case GL_PROXY_TEXTURE_1D: - return 1; - case GL_TEXTURE_2D: - case GL_PROXY_TEXTURE_2D: - return 2; - case GL_TEXTURE_3D: - case GL_PROXY_TEXTURE_3D: - return 3; - case GL_TEXTURE_CUBE_MAP: - case GL_PROXY_TEXTURE_CUBE_MAP: - case GL_TEXTURE_CUBE_MAP_POSITIVE_X: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: - return ctx->Extensions.ARB_texture_cube_map ? 2 : 0; - case GL_TEXTURE_RECTANGLE_NV: - case GL_PROXY_TEXTURE_RECTANGLE_NV: - return ctx->Extensions.NV_texture_rectangle ? 2 : 0; - case GL_TEXTURE_1D_ARRAY_EXT: - case GL_PROXY_TEXTURE_1D_ARRAY_EXT: - return ctx->Extensions.MESA_texture_array ? 2 : 0; - case GL_TEXTURE_2D_ARRAY_EXT: - case GL_PROXY_TEXTURE_2D_ARRAY_EXT: - return ctx->Extensions.MESA_texture_array ? 3 : 0; - default: - _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()"); - return 0; - } -} - - -void GLAPIENTRY -_mesa_GetTexLevelParameteriv( GLenum target, GLint level, - GLenum pname, GLint *params ) -{ - const struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - const struct gl_texture_image *img = NULL; - GLuint dimensions; - GLboolean isProxy; - GLint maxLevels; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexLevelParameteriv(current unit)"); - return; - } - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - /* this will catch bad target values */ - dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */ - if (dimensions == 0) { - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)"); - return; - } - - maxLevels = _mesa_max_texture_levels(ctx, target); - if (maxLevels == 0) { - /* should not happen since <target> was just checked above */ - _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter"); - return; - } - - if (level < 0 || level >= maxLevels) { - _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); - return; - } - - texObj = _mesa_select_tex_object(ctx, texUnit, target); - _mesa_lock_texture(ctx, texObj); - - img = _mesa_select_tex_image(ctx, texObj, target, level); - if (!img || !img->TexFormat) { - /* undefined texture image */ - if (pname == GL_TEXTURE_COMPONENTS) - *params = 1; - else - *params = 0; - goto out; - } - - isProxy = _mesa_is_proxy_texture(target); - - switch (pname) { - case GL_TEXTURE_WIDTH: - *params = img->Width; - break; - case GL_TEXTURE_HEIGHT: - *params = img->Height; - break; - case GL_TEXTURE_DEPTH: - *params = img->Depth; - break; - case GL_TEXTURE_INTERNAL_FORMAT: - *params = img->InternalFormat; - break; - case GL_TEXTURE_BORDER: - *params = img->Border; - break; - case GL_TEXTURE_RED_SIZE: - if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) - *params = img->TexFormat->RedBits; - else - *params = 0; - break; - case GL_TEXTURE_GREEN_SIZE: - if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) - *params = img->TexFormat->GreenBits; - else - *params = 0; - break; - case GL_TEXTURE_BLUE_SIZE: - if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) - *params = img->TexFormat->BlueBits; - else - *params = 0; - break; - case GL_TEXTURE_ALPHA_SIZE: - if (img->_BaseFormat == GL_ALPHA || - img->_BaseFormat == GL_LUMINANCE_ALPHA || - img->_BaseFormat == GL_RGBA) - *params = img->TexFormat->AlphaBits; - else - *params = 0; - break; - case GL_TEXTURE_INTENSITY_SIZE: - if (img->_BaseFormat != GL_INTENSITY) - *params = 0; - else if (img->TexFormat->IntensityBits > 0) - *params = img->TexFormat->IntensityBits; - else /* intensity probably stored as rgb texture */ - *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits); - break; - case GL_TEXTURE_LUMINANCE_SIZE: - if (img->_BaseFormat != GL_LUMINANCE && - img->_BaseFormat != GL_LUMINANCE_ALPHA) - *params = 0; - else if (img->TexFormat->LuminanceBits > 0) - *params = img->TexFormat->LuminanceBits; - else /* luminance probably stored as rgb texture */ - *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits); - break; - case GL_TEXTURE_INDEX_SIZE_EXT: - if (img->_BaseFormat == GL_COLOR_INDEX) - *params = img->TexFormat->IndexBits; - else - *params = 0; - break; - case GL_TEXTURE_DEPTH_SIZE_ARB: - if (ctx->Extensions.SGIX_depth_texture || - ctx->Extensions.ARB_depth_texture) - *params = img->TexFormat->DepthBits; - else - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - break; - case GL_TEXTURE_STENCIL_SIZE_EXT: - if (ctx->Extensions.EXT_packed_depth_stencil) { - *params = img->TexFormat->StencilBits; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - - /* GL_ARB_texture_compression */ - case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: - if (ctx->Extensions.ARB_texture_compression) { - if (img->IsCompressed && !isProxy) { - /* Don't use ctx->Driver.CompressedTextureSize() since that - * may returned a padded hardware size. - */ - *params = _mesa_compressed_texture_size(ctx, img->Width, - img->Height, img->Depth, - img->TexFormat->MesaFormat); - } - else { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexLevelParameter[if]v(pname)"); - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_COMPRESSED: - if (ctx->Extensions.ARB_texture_compression) { - *params = (GLint) img->IsCompressed; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - - /* GL_ARB_texture_float */ - case GL_TEXTURE_RED_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->RedBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_GREEN_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->GreenBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_BLUE_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->BlueBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_ALPHA_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->AlphaBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_LUMINANCE_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_INTENSITY_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->IntensityBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - case GL_TEXTURE_DEPTH_TYPE_ARB: - if (ctx->Extensions.ARB_texture_float) { - *params = img->TexFormat->DepthBits ? img->TexFormat->DataType : GL_NONE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - break; - - default: - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - - out: - _mesa_unlock_texture(ctx, texObj); -} - - - -void GLAPIENTRY -_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *obj; - GLboolean error = GL_FALSE; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexParameterfv(current unit)"); - return; - } - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - obj = _mesa_select_tex_object(ctx, texUnit, target); - if (!obj) { - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); - return; - } - - _mesa_lock_texture(ctx, obj); - switch (pname) { - case GL_TEXTURE_MAG_FILTER: - *params = ENUM_TO_FLOAT(obj->MagFilter); - break; - case GL_TEXTURE_MIN_FILTER: - *params = ENUM_TO_FLOAT(obj->MinFilter); - break; - case GL_TEXTURE_WRAP_S: - *params = ENUM_TO_FLOAT(obj->WrapS); - break; - case GL_TEXTURE_WRAP_T: - *params = ENUM_TO_FLOAT(obj->WrapT); - break; - case GL_TEXTURE_WRAP_R: - *params = ENUM_TO_FLOAT(obj->WrapR); - break; - case GL_TEXTURE_BORDER_COLOR: - params[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); - params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); - params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); - params[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); - break; - case GL_TEXTURE_RESIDENT: - { - GLboolean resident; - if (ctx->Driver.IsTextureResident) - resident = ctx->Driver.IsTextureResident(ctx, obj); - else - resident = GL_TRUE; - *params = ENUM_TO_FLOAT(resident); - } - break; - case GL_TEXTURE_PRIORITY: - *params = obj->Priority; - break; - case GL_TEXTURE_MIN_LOD: - *params = obj->MinLod; - break; - case GL_TEXTURE_MAX_LOD: - *params = obj->MaxLod; - break; - case GL_TEXTURE_BASE_LEVEL: - *params = (GLfloat) obj->BaseLevel; - break; - case GL_TEXTURE_MAX_LEVEL: - *params = (GLfloat) obj->MaxLevel; - break; - case GL_TEXTURE_MAX_ANISOTROPY_EXT: - if (ctx->Extensions.EXT_texture_filter_anisotropic) { - *params = obj->MaxAnisotropy; - } - else - error = 1; - break; - case GL_TEXTURE_COMPARE_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLfloat) obj->CompareFlag; - } - else - error = 1; - break; - case GL_TEXTURE_COMPARE_OPERATOR_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLfloat) obj->CompareOperator; - } - else - error = 1; - break; - case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ - if (ctx->Extensions.SGIX_shadow_ambient) { - *params = obj->ShadowAmbient; - } - else - error = 1; - break; - case GL_GENERATE_MIPMAP_SGIS: - if (ctx->Extensions.SGIS_generate_mipmap) { - *params = (GLfloat) obj->GenerateMipmap; - } - else - error = 1; - break; - case GL_TEXTURE_COMPARE_MODE_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLfloat) obj->CompareMode; - } - else - error = 1; - break; - case GL_TEXTURE_COMPARE_FUNC_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLfloat) obj->CompareFunc; - } - else - error = 1; - break; - case GL_DEPTH_TEXTURE_MODE_ARB: - if (ctx->Extensions.ARB_depth_texture) { - *params = (GLfloat) obj->DepthMode; - } - else - error = 1; - break; - case GL_TEXTURE_LOD_BIAS: - if (ctx->Extensions.EXT_texture_lod_bias) { - *params = obj->LodBias; - } - else - error = 1; - break; - default: - error = 1; - break; - } - if (error) - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", - pname); - - _mesa_unlock_texture(ctx, obj); -} - - -void GLAPIENTRY -_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *obj; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexParameteriv(current unit)"); - return; - } - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - obj = _mesa_select_tex_object(ctx, texUnit, target); - if (!obj) { - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)"); - return; - } - - switch (pname) { - case GL_TEXTURE_MAG_FILTER: - *params = (GLint) obj->MagFilter; - return; - case GL_TEXTURE_MIN_FILTER: - *params = (GLint) obj->MinFilter; - return; - case GL_TEXTURE_WRAP_S: - *params = (GLint) obj->WrapS; - return; - case GL_TEXTURE_WRAP_T: - *params = (GLint) obj->WrapT; - return; - case GL_TEXTURE_WRAP_R: - *params = (GLint) obj->WrapR; - return; - case GL_TEXTURE_BORDER_COLOR: - { - GLfloat b[4]; - b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); - b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); - b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); - b[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); - params[0] = FLOAT_TO_INT(b[0]); - params[1] = FLOAT_TO_INT(b[1]); - params[2] = FLOAT_TO_INT(b[2]); - params[3] = FLOAT_TO_INT(b[3]); - } - return; - case GL_TEXTURE_RESIDENT: - { - GLboolean resident; - if (ctx->Driver.IsTextureResident) - resident = ctx->Driver.IsTextureResident(ctx, obj); - else - resident = GL_TRUE; - *params = (GLint) resident; - } - return; - case GL_TEXTURE_PRIORITY: - *params = FLOAT_TO_INT(obj->Priority); - return; - case GL_TEXTURE_MIN_LOD: - *params = (GLint) obj->MinLod; - return; - case GL_TEXTURE_MAX_LOD: - *params = (GLint) obj->MaxLod; - return; - case GL_TEXTURE_BASE_LEVEL: - *params = obj->BaseLevel; - return; - case GL_TEXTURE_MAX_LEVEL: - *params = obj->MaxLevel; - return; - case GL_TEXTURE_MAX_ANISOTROPY_EXT: - if (ctx->Extensions.EXT_texture_filter_anisotropic) { - *params = (GLint) obj->MaxAnisotropy; - return; - } - break; - case GL_TEXTURE_COMPARE_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLint) obj->CompareFlag; - return; - } - break; - case GL_TEXTURE_COMPARE_OPERATOR_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLint) obj->CompareOperator; - return; - } - break; - case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ - if (ctx->Extensions.SGIX_shadow_ambient) { - *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient); - return; - } - break; - case GL_GENERATE_MIPMAP_SGIS: - if (ctx->Extensions.SGIS_generate_mipmap) { - *params = (GLint) obj->GenerateMipmap; - return; - } - break; - case GL_TEXTURE_COMPARE_MODE_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLint) obj->CompareMode; - return; - } - break; - case GL_TEXTURE_COMPARE_FUNC_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLint) obj->CompareFunc; - return; - } - break; - case GL_DEPTH_TEXTURE_MODE_ARB: - if (ctx->Extensions.ARB_depth_texture) { - *params = (GLint) obj->DepthMode; - return; - } - break; - case GL_TEXTURE_LOD_BIAS: - if (ctx->Extensions.EXT_texture_lod_bias) { - *params = (GLint) obj->LodBias; - return; - } - break; - default: - ; /* silence warnings */ - } - /* If we get here, pname was an unrecognized enum */ - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname); -} - /* GL_ARB_multitexture */ |